Dec 12, 2023 · During an update ,sometimes there's not enough power provided to the device when connected to the tv through USB , therefore it crashes during update . This will probably …

Feb 22, 2020 · Hello, I have Model 55S405 TCL Roku TV. When I turn it on it flashes roku tcl logo for a fraction of sec and then screen blacks out. I unplugged tv for 15 mins and overnight , I …

Apr 27, 2018 · A few days ago my TV screen suddenly went black and I don't quite know what to do. Basically, if I turn it on the LG logo will appear for about a second or so and then the …

Aug 19, 2019 · Check the DC voltages on of each pin on CNM802. Compare the voltages against the print on the power boards. you need to check with the TV off and then again with the TV …

Jul 20, 2023 · Philips 75PFL5603/F7 flashes logo on screen then completely shuts off. Voltages on power board are correct when plugged in. The only sign of life on the main board is the red …

Feb 11, 2020 · The TV doesn’t stay on long enough for you to verify what firmware version is installed by navigating through the Menus but the update procedure only requires that the …

Feb 27, 2020 · The TV will reboot multiple times, but nothing changes. This has happened a few times since I got the TV, but always managed to snap out of it relatively quickly until now. …

Feb 1, 2020 · Getting a logo indicates that the fundamentals are OK, power, screen, video to screen etc but there may be a problem with the video signal either coming into the TV or being …

Jan 1, 2017 · Thanks for any additional input. I can't see any latent image with the flashlight test. When the LG logo appears on the screen after startup (briefly) it look like a "full screen" image. …

Jun 19, 2017 · look under your tv and between HDMI AND USB buttons is a tiny hole,get a toothpick or something and off tv push in the hole ,hold it down,on tv and keep in pushed in …